diff --git a/anim.js b/anim.js new file mode 100644 index 0000000..96b13e6 --- /dev/null +++ b/anim.js @@ -0,0 +1,56 @@ +var ease = require('./easing.js').ease +var resolution = 30; + +exports.Anim = function(universe) { + this.universe = universe; + this.fx_stack = []; + this.add = function(to, duration, options) { + var options = options || {}; + options['easing'] = options['easing'] || 'linear'; + this.fx_stack.push({'to': to, 'duration': duration, 'options': options}); + return this; + } + this.delay = function(duration) { + return this.add({}, duration); + } + this.run = function(onFinish) { + var config = {} + , t = 0 + , d = 0 + , a + ; + + var fx_stack = this.fx_stack; + var ani_setup = function() { + a = fx_stack.shift(); + t = 0; + d = a.duration; + config = {} + for(var k in a.to) { + config[k] = { + 'start': universe.get(k), + 'end': a.to[k] + } + } + } + var ani_step = function() { + new_vals = {}; + for(var k in config) { + new_vals[k] = Math.round(config[k].start + ease['linear'](t, 0, 1, d) * (config[k].end - config[k].start)) + } + t = t + resolution; + universe.update(new_vals); + if(t > d) { + if(fx_stack.length > 0) { + ani_setup() + } else { + clearInterval(iid); + if(onFinish) onFinish(); + } + } + } + ani_setup(); + var iid = setInterval(ani_step, resolution); + } +} + diff --git a/dmx.js b/dmx.js index 6b57b7b..ab1cda5 100644 --- a/dmx.js +++ b/dmx.js @@ -1,7 +1,20 @@ - var drv = require('./drivers/enttec-usb-dmx-pro.js'); universe = new drv.init(0); -universe.update({0: 1, 1:0xff, 6: 20, 7: 0xff}, 20) - +universe.update({0: 1, 1: 0}) +function done() {console.log('DONE')} +var A = require('./anim.js').Anim; +var x = new A(universe) + .add({1: 255, 6: 110, 7: 255, 8: 10}, 1200) + .delay(1000) + .add({1: 0}, 600) + .add({1: 255}, 600) + .add({5: 255, 6: 128}, 1000) + .add({1: 0}, 100) + .add({1: 255}, 100) + .add({1: 0}, 200) + .add({1: 255}, 200) + .add({1: 0}, 100) + .add({1: 255}, 100) + .run(done); \ No newline at end of file diff --git a/drivers/enttec-usb-dmx-pro.js b/drivers/enttec-usb-dmx-pro.js index 61469a5..4031066 100644 --- a/drivers/enttec-usb-dmx-pro.js +++ b/drivers/enttec-usb-dmx-pro.js @@ -26,6 +26,7 @@ exports.init = function(dev_id) { ]) console.log(msg) dev.write(msg) + dev.write(msg) } var universe = new Buffer(512) @@ -42,9 +43,13 @@ exports.init = function(dev_id) { } } + this.get = function(c) { + return universe[c]; + } + setInterval(function() { send_universe(dev, universe); - }, 1000); + }, 30); return this; } diff --git a/drivers/null.js b/drivers/null.js new file mode 100644 index 0000000..2646938 --- /dev/null +++ b/drivers/null.js @@ -0,0 +1,13 @@ +exports.init = function(dev_id) { + var universe = new Buffer(512) + universe.fill(0) + + this.update = function(u) { + console.log(u); + } + + this.get = function(k) { + return universe[k]; + } + return this; +} diff --git a/easing.js b/easing.js new file mode 100644 index 0000000..38dfdd5 --- /dev/null +++ b/easing.js @@ -0,0 +1,188 @@ +/* + * based on jQuery Easing v1.3 - http://gsgd.co.uk/sandbox/jquery/easing/ + * + * TERMS OF USE - jQuery Easing + * + * Open source under the BSD License. + * + * Copyright © 2008 George McGinley Smith + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the author nor the names of contributors may be used to endorse + * or promote products derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * +*/ + +// t: current time, b: begInnIng value, c: change In value, d: duration + +exports.ease = { + linear: function (t, b, c, d) { return c * t/d + b; }, + inQuad: function (t, b, c, d) { return c * (t/=d) * t + b; }, + outQuad: function (t, b, c, d) { return -c * (t/=d) * (t-2) + b; }, + inOutQuad: function (t, b, c, d) { + if ((t/=d/2) < 1) return c/2*t*t + b; + return -c/2 * ((--t)*(t-2) - 1) + b; + }, + inCubic: function (t, b, c, d) { return c*(t/=d)*t*t + b; }, + outCubic: function (t, b, c, d) { return c*((t=t/d-1)*t*t + 1) + b; }, + inOutCubic: function (t, b, c, d) { + if ((t/=d/2) < 1) return c/2*t*t*t + b; + return c/2*((t-=2)*t*t + 2) + b; + }, + inQuart: function (t, b, c, d) { + return c*(t/=d)*t*t*t + b; + }, + outQuart: function (t, b, c, d) { + return -c * ((t=t/d-1)*t*t*t - 1) + b; + }, + inOutQuart: function (t, b, c, d) { + if ((t/=d/2) < 1) return c/2*t*t*t*t + b; + return -c/2 * ((t-=2)*t*t*t - 2) + b; + }, + inQuint: function (t, b, c, d) { + return c*(t/=d)*t*t*t*t + b; + }, + outQuint: function (t, b, c, d) { + return c*((t=t/d-1)*t*t*t*t + 1) + b; + }, + inOutQuint: function (t, b, c, d) { + if ((t/=d/2) < 1) return c/2*t*t*t*t*t + b; + return c/2*((t-=2)*t*t*t*t + 2) + b; + }, + inSine: function (t, b, c, d) { + return -c * Math.cos(t/d * (Math.PI/2)) + c + b; + }, + outSine: function (t, b, c, d) { + return c * Math.sin(t/d * (Math.PI/2)) + b; + }, + inOutSine: function (t, b, c, d) { + return -c/2 * (Math.cos(Math.PI*t/d) - 1) + b; + }, + inExpo: function (t, b, c, d) { + return (t==0) ? b : c * Math.pow(2, 10 * (t/d - 1)) + b; + }, + outExpo: function (t, b, c, d) { + return (t==d) ? b+c : c * (-Math.pow(2, -10 * t/d) + 1) + b; + }, + inOutExpo: function (t, b, c, d) { + if (t==0) return b; + if (t==d) return b+c; + if ((t/=d/2) < 1) return c/2 * Math.pow(2, 10 * (t - 1)) + b; + return c/2 * (-Math.pow(2, -10 * --t) + 2) + b; + }, + inCirc: function (t, b, c, d) { + return -c * (Math.sqrt(1 - (t/=d)*t) - 1) + b; + }, + outCirc: function (t, b, c, d) { + return c * Math.sqrt(1 - (t=t/d-1)*t) + b; + }, + inOutCirc: function (t, b, c, d) { + if ((t/=d/2) < 1) return -c/2 * (Math.sqrt(1 - t*t) - 1) + b; + return c/2 * (Math.sqrt(1 - (t-=2)*t) + 1) + b; + }, + inElastic: function (t, b, c, d) { + var s=1.70158;var p=0;var a=c; + if (t==0) return b; if ((t/=d)==1) return b+c; if (!p) p=d*.3; + if (a < Math.abs(c)) { a=c; var s=p/4; } + else var s = p/(2*Math.PI) * Math.asin (c/a); + return -(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b; + }, + outElastic: function (t, b, c, d) { + var s=1.70158;var p=0;var a=c; + if (t==0) return b; if ((t/=d)==1) return b+c; if (!p) p=d*.3; + if (a < Math.abs(c)) { a=c; var s=p/4; } + else var s = p/(2*Math.PI) * Math.asin (c/a); + return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b; + }, + inOutElastic: function (t, b, c, d) { + var s=1.70158;var p=0;var a=c; + if (t==0) return b; if ((t/=d/2)==2) return b+c; if (!p) p=d*(.3*1.5); + if (a < Math.abs(c)) { a=c; var s=p/4; } + else var s = p/(2*Math.PI) * Math.asin (c/a); + if (t < 1) return -.5*(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b; + return a*Math.pow(2,-10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )*.5 + c + b; + }, + inBack: function (t, b, c, d, s) { + if (s == undefined) s = 1.70158; + return c*(t/=d)*t*((s+1)*t - s) + b; + }, + outBack: function (t, b, c, d, s) { + if (s == undefined) s = 1.70158; + return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b; + }, + inOutBack: function (t, b, c, d, s) { + if (s == undefined) s = 1.70158; + if ((t/=d/2) < 1) return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b; + return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b; + }, + inBounce: function (t, b, c, d) { + return c - exports.ease.outBounce (d-t, 0, c, d) + b; + }, + outBounce: function (t, b, c, d) { + if ((t/=d) < (1/2.75)) { + return c*(7.5625*t*t) + b; + } else if (t < (2/2.75)) { + return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b; + } else if (t < (2.5/2.75)) { + return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b; + } else { + return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b; + } + }, + inOutBounce: function (t, b, c, d) { + if (t < d/2) return exports.ease.inBounce (t*2, 0, c, d) * .5 + b; + return exports.ease.outBounce (t*2-d, 0, c, d) * .5 + c*.5 + b; + } +} + +/* + * + * TERMS OF USE - EASING EQUATIONS + * + * Open source under the BSD License. + * + * Copyright © 2001 Robert Penner + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * Neither the name of the author nor the names of contributors may be used to endorse + * or promote products derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ \ No newline at end of file